@InProceedings{P17-2090,
  author = 	"Fadaee, Marzieh
		and Bisazza, Arianna
		and Monz, Christof",
  title = 	"Data Augmentation for Low-Resource Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{D18-1040,
  author = 	"Fadaee, Marzieh
		and Monz, Christof",
  title = 	"Back-Translation Sampling by Targeting Difficult Words in Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1045,
  author = 	"Edunov, Sergey
		and Ott, Myle
		and Auli, Michael
		and Grangier, David",
  title = 	"Understanding Back-Translation at Scale",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1100,
  author = 	"Wang, Xinyi
		and Pham, Hieu
		and Dai, Zihang
		and Neubig, Graham",
  title = 	"SwitchOut: an Efficient Data Augmentation Algorithm for Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
